Re: [Qemu-devel] [PATCH v7 00/23] Migration: postcopy failure recovery

[Fam Zheng]

On Mon, 03/12 12:45, Peter Xu wrote:
> On Fri, Mar 09, 2018 at 10:59:03AM -0600, Eric Blake wrote:
> > On 03/09/2018 10:54 AM, Eric Blake wrote:
> > > On 03/09/2018 03:15 AM, Peter Xu wrote:
> > > > Based-on: <address@hidden>
> > > > 
> > > > This series is based on the series:
> > > > 
> > > >    [PATCH v8 00/23] QMP: out-of-band (OOB) execution support
> > > 
> > > Let's spell that in a way patchew understands:
> > > 
> > > Based-on: <address@hidden>
> > > 
> > 
> > Never mind - I missed that you snuck that in on the very first line (which
> > I'm used to overlooking because it's often a 'From:' author attribution,
> > instead of a patchew directive).  I saw the patchew failure messages, but
> > didn't read them closely to see why it is failing, and merely assumed it was
> > because of the missing dependency...
> 
> Yeh, but there still seems to be something wrong elsewhere since the
> series can pass compilation and docker tests on my host...
> 
> Fam, what would happen if I firstly post OOB series, then postcopy
> series (which will have "based-on" on OOB series) right away?  Could
> Patchew just ignore the "based-on" if I post the 2nd series too fast
> since Patchew may have not yet went through the first one?

Could be. Git apply of the first one races with the appearance of the second one
in patchew's database. Or if the emails arrive in patchew's INBOX out-of-order,
the based-on tag will not work as expected.

Fam